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Evidence supporting the rule of symmetry for OSM data sets.

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posted on 2018-07-12, 17:43 authored by Xiang Zhang, Weijun Yin, Shouqian Huang, Jianwei Yu, Zhongheng Wu, Tinghua Ai

†Proportion obtained by removing parallel pairs with one empty and one non-empty values. ‡Proportion obtained by treating pairs with one empty and one non-empty values as symmetrical examples.

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